Where: Kazakstan (50.2° N, 58.8° E: paleocoordinates 20.2° N, 45.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Gzhelian (303.4 - 298.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone and lithified sandstone

Size class: macrofossils

Primary reference: M. F. Bogoslovskaya, T.B. Leonova, and A.A. Shkolin. 1995. The Carboniferous-Permian boundary and ammonoids from the Aidaralash section, southern Urals. Journal of Paleontology 69(2):288-301 [M. Clapham/M. Clapham] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 81345: authorized by Matthew Clapham, entered by Matthew Clapham on 20.06.2008

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)